45 lines
912 B
Go
45 lines
912 B
Go
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package daemon
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import (
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"bufio"
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"os"
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"path/filepath"
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"strings"
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"github.com/Sirupsen/logrus"
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"github.com/docker/docker/pkg/mount"
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)
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// cleanupMounts umounts shm/mqueue mounts for old containers
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func (daemon *Daemon) cleanupMounts() error {
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logrus.Debugf("Cleaning up old shm/mqueue mounts: start.")
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f, err := os.Open("/proc/self/mountinfo")
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if err != nil {
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return err
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}
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defer f.Close()
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sc := bufio.NewScanner(f)
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for sc.Scan() {
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line := sc.Text()
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fields := strings.Split(line, " ")
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if strings.HasPrefix(fields[4], daemon.repository) {
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mnt := fields[4]
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mountBase := filepath.Base(mnt)
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if mountBase == "mqueue" || mountBase == "shm" {
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logrus.Debugf("Unmounting %+v", mnt)
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if err := mount.Unmount(mnt); err != nil {
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return err
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}
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}
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}
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}
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if err := sc.Err(); err != nil {
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return err
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}
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logrus.Debugf("Cleaning up old shm/mqueue mounts: done.")
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return nil
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}
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